Combined dental syringe and cap



FIG. 1 is a perspective view of a combined dental syringe and cap, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a combined dental syringe and cap, as shown. 